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A037185
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Number of ways of placing 2n points on n X n grid so no 3 are in a line (solutions with no symmetry).
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1
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0, 0, 0, 0, 3, 4, 11, 40, 41, 132, 122, 524, 407, 1284, 3681, 5683, 6800, 18853
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OFFSET
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1,5
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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